1345512205 has 8 divisors (see below), whose sum is σ = 1615442400. Its totient is φ = 1075857936.

The previous prime is 1345512191. The next prime is 1345512221. The reversal of 1345512205 is 5022155431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1345512205 - 2⁵ = 1345512173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58095 + ... + 77884.

It is an arithmetic number, because the mean of its divisors is an integer number (201930300).

Almost surely, 2^1345512205 is an apocalyptic number.

It is an amenable number.

1345512205 is a deficient number, since it is larger than the sum of its proper divisors (269930195).

1345512205 is a wasteful number, since it uses less digits than its factorization.

1345512205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137963.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1345512205 is about 36681.2241480570. The cubic root of 1345512205 is about 1103.9834101534.

Adding to 1345512205 its reverse (5022155431), we get a palindrome (6367667636).

The spelling of 1345512205 in words is "one billion, three hundred forty-five million, five hundred twelve thousand, two hundred five".